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Re: GUI/back changes in CVS


From: Nicolas Roard
Subject: Re: GUI/back changes in CVS
Date: Mon, 11 Jul 2005 15:19:14 +0100

On 7/11/05, Fred Kiefer <address@hidden> wrote:
> Sorry, some things seem to have gotten mixed here. I wrote that "in the
> end" this will "allow pattern images". They are not already there after
> the first patch. Support for pattern colours requires two steps in the
> backend: It needs to know, which image pattern to use, which is what I
> implemented (the result of a pattern colour set command). And it needs
> to draw this image, when a fill operation happens. I did not even work
> on this second bit.

Ah ok, my mistake.
 
> Now art has an implementation of the very powerfull shfill PS command.
> This allows, amongst other things, a pattern fill. So here the second
> bit is already persent, while the first bit was missing. It should be
> rather simple to implement full pattern colours drawing for the art
> backend now. But this is nothing I am planning to do. The whole
> structure of the art backend is very foreign to me. I don't dare to
> touch anything here, because I may easily break things in an environment
> that is so contrary to the way I normally program.
> What I was planning to do was add a simple (and of course slow) pattern
> drawing mechanism for the gsc classes and perhaps overwrite this with a
> faster one for the xlib backend.
> 
> Perhaps you could add the art pattern fill bit and I provide the rest?

Well, I don't know about the art backend internals either --
It probably would be quicker if alex does it :-P

-- 
Nicolas Roard
"Any sufficiently advanced technology is indistinguishable from magic."
  -Arthur C. Clarke




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